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#include <Wt/WBootstrap3Theme.h>
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#include <Wt/WDialog.h>
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#include <Wt/WEnvironment.h>
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#include <Wt/WPushButton.h>
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#include <Wt/WServer.h>
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#include <Wt/WVBoxLayout.h>
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Wt::WContainerWidget *m_displayedLayout = nullptr;
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void setContainerActive(Wt::WVBoxLayout *layout, std::unique_ptr<Wt::WContainerWidget> container)
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{
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if (m_displayedLayout != nullptr)
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{
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m_displayedLayout->removeFromParent();
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m_displayedLayout = nullptr;
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}
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m_displayedLayout = layout->addWidget(std::move(container), 1);
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}
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std::unique_ptr<Wt::WContainerWidget> buildContainer()
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{
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auto container = std::make_unique<Wt::WContainerWidget>();
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auto gridLayout = container->setLayout(std::make_unique<Wt::WGridLayout>());
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gridLayout->addWidget(
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std::make_unique<Wt::WText>("Text1"), 0, 0, Wt::AlignmentFlag::Justify | Wt::AlignmentFlag::Top);
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gridLayout->addWidget(
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std::make_unique<Wt::WText>("Text2"), 1, 0, Wt::AlignmentFlag::Justify | Wt::AlignmentFlag::Top);
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gridLayout->addWidget(
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std::make_unique<Wt::WText>("Text3"), 2, 0, Wt::AlignmentFlag::Justify | Wt::AlignmentFlag::Top);
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gridLayout->addWidget(
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std::make_unique<Wt::WText>("Text4"), 3, 0, Wt::AlignmentFlag::Justify | Wt::AlignmentFlag::Top);
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gridLayout->addWidget(
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std::make_unique<Wt::WText>("Value1"), 0, 1, Wt::AlignmentFlag::Justify | Wt::AlignmentFlag::Top);
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gridLayout->addWidget(
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std::make_unique<Wt::WText>("Value2"), 1, 1, Wt::AlignmentFlag::Justify | Wt::AlignmentFlag::Top);
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gridLayout->addWidget(
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std::make_unique<Wt::WText>("Value3"), 2, 1, Wt::AlignmentFlag::Justify | Wt::AlignmentFlag::Top);
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gridLayout->addWidget(
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std::make_unique<Wt::WText>("Value4"), 3, 1, Wt::AlignmentFlag::Justify | Wt::AlignmentFlag::Top);
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return container;
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}
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std::unique_ptr<Wt::WApplication> createApplication(const Wt::WEnvironment &env)
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{
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auto app = std::make_unique<Wt::WApplication>(env);
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auto appTheme = std::make_shared<Wt::WBootstrap3Theme>();
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app->setTheme(appTheme);
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auto layout = app->root()->setLayout(std::make_unique<Wt::WVBoxLayout>());
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auto button = layout->addWidget(std::make_unique<Wt::WPushButton>("Update Container"));
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auto container = buildContainer();
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setContainerActive(layout, std::move(container));
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button->clicked().connect([layout]() {
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auto container = buildContainer();
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setContainerActive(layout, std::move(container));
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});
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return app;
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}
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int main(int argc, char **argv)
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{
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try
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{
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Wt::WServer server(argc, argv, WTHTTP_CONFIGURATION);
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server.addEntryPoint(Wt::EntryPointType::Application, std::bind(createApplication, std::placeholders::_1));
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server.run();
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}
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catch (Wt::WException &e)
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{
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std::cerr << "Exception: " << e.what() << std::endl;
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}
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}
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